Zoom options control the size of the image view on your screen. You can also control the zoom by using the zoom buttons on the Toolbar.  

 

NOTE: The zoom options do not change the actual size of your image, only your view of the image. See Image Size to change the sizing.   

This option allows you to determine any CMYKSystem for describing colors based on a combination of values for Cyan, Magenta, Yellow, and Black; the ink colors used in four-color process printing. In theory, 100% of Cyan, Magenta, and Yellow create Black. In practice, the addition of Black ink is necessary to print a true Black. See also RGB. value in your image by hovering your cursor over a point on your image. The Before and After values represent the difference in color after a Color Correction Filter has been applied. If you do not need the Before and After values, you can use the CMYK values displayed in the Status Bar.

This option displays or hides the Status Bar (located at the bottom of your screen). The Status Bar displays information such as CMYK values, cursor location, and information about Toolbar buttons.  

This option displays or hides Rulers. Rulers help you see the height and width of an image in inches.